Training effect in patients with severe ventilatory failure.

Adult Aged Airway Obstruction/physiopathology,therapy Breathing Exercises Carbon Dioxide/blood Dyspnea/physiopathology,therapy Exercise Test Female Heart Rate Hematocrit Humans Lactates/blood Male Middle Aged Oxygen/blood Oxygen Consumption Partial Pressure Physical Education and Training Physical Exertion Respiration Respiratory System/physiopathology Spirometry Vital Capacity

Lactates Carbon Dioxide Oxygen